/*
 * Copyright (c) 2023 fred
 * Licensed under the Apache License,Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

export abstract class Reader {

  public abstract read():number
  public abstract read1(cbuf: string[],cbufLen:number, off:number, len:number):number
  public abstract skip(ns:number):number
  public abstract close()
  public ready():boolean {
    return false
  }
  public markSupported():boolean {
    return false
  }
  public mark(readAheadLimit:number){
    throw new Error("mark() not supported");
  }

  public reset() {
    throw new Error("reset() not supported");
  }

}